/*   
 * Copyright 2010 Rob Schoening
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *    http://www.apache.org/licenses/LICENSE-2.0
 *    
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.beaconframework.util.expression;

import groovy.lang.Binding;
import groovy.lang.GroovyShell;

import java.util.Map;

public class GroovyExpressionEngineFactory extends ExpressionEngineFactory {

    @Override
    public ExpressionEngine getExpressionEngine() {
        ExpressionEngine e = new ExpressionEngine() {
            @Override
            public Object evaluate(String expression, Map<String, Object> vars) {
                Binding b = new Binding(vars);
                GroovyShell groovy = new GroovyShell(b);
                Object result = groovy.evaluate(expression);
                return result;
            }

        };
        return e;
    }

}
